std::net
SocketOption
enum SocketOption : char (CInt value)
{
REUSEADDR = os::SO_REUSEADDR,
REUSEPORT @if(!env::WIN32) = os::SO_REUSEPORT,
KEEPALIVE = os::SO_KEEPALIVE,
BROADCAST = os::SO_BROADCAST,
OOBINLINE = os::SO_OOBINLINE,
DONTROUTE = os::SO_DONTROUTE,
}